/* ============================================================
   FOOTER U TẺN
   ============================================================ */
.uten-footer {
    position: relative;
    background: linear-gradient(135deg, var(--uten-primary, #287b38) 0%, #1a5225 100%);
    color: #fff;
    margin-top: 60px;
}

/* Sóng uốn lượn ở đỉnh footer */
.uten-footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    overflow: hidden;
}

.uten-footer-wave svg {
    display: block;
    width: 100%;
    height: 50px;
}

.uten-footer-inner {
    padding: 90px 20px 50px;
}

.uten-footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.3fr 1.3fr;
    gap: 40px;
}

/* ── Tiêu đề các cột ── */
.uten-footer-logo {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 16px;
}

/* Logo dạng ảnh */
.uten-footer-logo-link {
    display: inline-block;
    margin-bottom: 18px;
}

.uten-footer-logo-img {
    max-width: 130px;
    height: auto;
    border-radius: 50%;
    background: #fff;
    padding: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    transition: transform 0.3s ease;
}

.uten-footer-logo-link:hover .uten-footer-logo-img {
    transform: scale(1.05);
}

.uten-footer-title {
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    margin: 0 0 20px;
    padding-bottom: 12px;
    position: relative;
}

.uten-footer-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 3px;
    border-radius: 10px;
    background: var(--uten-secondary, #f28200);
}

/* ── Cột giới thiệu ── */
.uten-footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 20px;
}

.uten-footer-socials {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.uten-footer-socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    transition: background 0.25s ease, transform 0.2s ease, color 0.25s ease;
    font-size: 12px;
    font-weight: 700;
}

.uten-footer-socials a:hover {
    background: var(--uten-secondary, #f28200);
    color: #fff;
    transform: translateY(-3px);
}

.uten-footer-socials a.social-zalo {
    width: auto;
    padding: 0 14px;
    border-radius: 50px;
}

/* ── Liên kết nhanh ── */
.uten-footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.uten-footer-links li {
    margin-bottom: 12px;
}

.uten-footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14.5px;
    font-weight: 500;
    transition: color 0.2s ease, padding-left 0.2s ease;
    display: inline-block;
}

.uten-footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}

/* ── Thông tin liên hệ ── */
.uten-footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
}

.uten-footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
}

.uten-footer-contact .fc-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--uten-secondary, #f28200);
    margin-top: 1px;
}

.uten-footer-contact a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.2s ease;
}

.uten-footer-contact a:hover {
    color: #fff;
}

/* ── Cột CTA đặt hàng ── */
.uten-footer-cta-desc {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 18px;
}

.uten-footer-cta-btns {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fcta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.fcta-call {
    background: #fff;
    color: var(--uten-primary, #287b38);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.fcta-call:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
    color: var(--uten-primary, #287b38);
}

.fcta-msg {
    background: var(--uten-secondary, #f28200);
    color: #fff;
    box-shadow: 0 6px 18px rgba(242, 130, 0, 0.3);
}

.fcta-msg:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(242, 130, 0, 0.45);
    color: #fff;
}

/* ── Thanh bản quyền ── */
.uten-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 20px 0;
}

.uten-footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 20px;
}

.uten-footer-bottom span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.uten-footer-credit {
    font-style: italic;
}

/* ── RESPONSIVE ── */
@media (max-width: 992px) {
    .uten-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 600px) {
    .uten-footer-inner {
        padding: 70px 20px 40px;
    }
    .uten-footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: left;
    }
    .uten-footer-title::after {
        left: 0;
        transform: none;
    }
    .uten-footer-socials {
        justify-content: flex-start;
    }
    .uten-footer-contact li {
        justify-content: flex-start;
        text-align: left;
    }
    .uten-footer-cta-btns {
        align-items: stretch;
    }
    .fcta-btn {
        width: 100%;
        max-width: none;
    }
    .uten-footer-bottom .container {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
}
